4.5 Chord properties in circle geometry

Chord properties in circle geometry

In a circle, when a line passes through the center of the circle and is perpendicular to a chord, the line will bisect the chord. In other words, the perpendicular bisector of a chord always passes through the center of the circle.

Lessons

  • 3.
    Below is a segment of a circle, and A is the center of the circle. The radius is 15 cm, BC is 7.5 cm, and DE is 24 cm.

    Determine.
Teacher pug

Chord properties in circle geometry

Don't just watch, practice makes perfect.

We have over 1260 practice questions in Geometry for you to master.